n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 500: | \[500!!!!+1\] | 4733 × 22349 × 1468897 × 57284510442891811<17> × 488298271648072764733<21> × [78372993817874484715601805436717893135402665087069805940546445704254988261673667665686658529049837622953634687567941177292596746224500926014305110919433416401327732996936890199198618724860121840432389586379760548717713140197814797023<233>] |